Default content access account all errors

Question

After renamed the drive SharePoint Server 2010 working well but when you go in Search service and click on Content sources we are
getting below error.
Unable to cast COM object of type 'Microsoft.Office.Server.Search.Administration.MSSITLB.CGatheringManagerClass' to interface type 'Microsoft.Office.Server.Search.Administration.MSSITLB.IGatherManagerAdmin3'.
This operation failed because the QueryInterface call on the COM component for the interface with IID '{0FF1CE14-013A-0000-0000-000000000000}' failed due to the following error: Error loading type library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY)).

Answer 1

Hi Giri,
Sorry to ask so many questions, but what about (basic) site search? Is this working?
For example if you go to a specific site or document library can you search and at least get results back for that site or library? Or is the search full stop not working..?
To begin with I would try running the following powershell script using SharePoint 2010 Management Shell
$SSI = get-spenterprisesearchserviceinstance -local
Start-SPEnterpriseSearchServiceInstance -Identity $SSI
The first line gets the name of your enterprise search service instance and sets the variable $SSI to = it
The second line then attempts to start the enterprise search service instance using the variable (which was set in the first line)
Hopefully this should at get things working if the instance service is just down or at least help us narrow things down
*Dont forget to launch Sharepoint Management Shell with elevated administrative permission.
(Via Start > All programs > Sharepoint 2010 Products > Right Click Sharepoint 2010 Management Shell > select Run as administrator)
Let me know how well you get on with this...
TechieMark